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India Exchanges Eye Stock-Trading Band

By

Aries Poon

Oct. 14, 2012 6:14 a.m. ET

TAIPEI—India's bourses are working with the country's stock-exchange regulator to prevent a recurrence of the "flash crash" this month that briefly shaved as much as $70 billion off the value of some of the country's largest listed companies, National Stock Exchange Chief Executive Ravi Narain said Sunday.

Erroneous orders placed by a single brokerage firm on Oct. 5 sent the NSE's main index, the 50-stock Nifty, falling as much as 16% in just a few seconds. Although most of the stocks recovered soon after a...